參數(shù)資料
型號: NSAM265SFA
廠商: National Semiconductor Corporation
英文描述: CompactSPEECH Digital Speech Processors
中文描述: CompactSPEECH數(shù)字語音處理器
文件頁數(shù): 18/58頁
文件大?。?/td> 712K
代理商: NSAM265SFA
2.0 Functional Description
(Continued)
TL/EE/12378–12
FIGURE 2-9. Four AMD Flash Devices: External LogicDOne Decoder
2.11 IVS ACCESS
IVS
(NSAM265SF only). The IVS tool is used to compile a vo-
cabulary definition into a binary file that should be burnt into
the memory device. If more than one vocabulary is used the
binary files are concatenated to form a single, ‘‘ready-to-
burn’’ binary file.
vocabularies
reside
on
either
ROM
or
FLASH
For more details about the IVS tool, and how to program
IVS vocabularies on ROM and FLASH. See the IVS User’s
Manual.
2.12 CLOCKING
The CompactSPEECH provides an internal oscillator that
interacts with an external clock source through the X1/PLI
and X2/CLKIN pins. Either an external single-phase clock
signal or a crystal may be used as the clock source.
Single-Phase Clock Signal
If an external single-phase clock source is used, it should be
connected to the CLKIN signal as shown inFigure 2-10, and
should conform with the voltage level requirements for
CLKIN stated in ELECTRICAL CHARACTERISTICS.
TL/EE/12378–13
FIGURE 2-10. External Clock Source
18
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